in the aftermath of the patriot's day horror, we know that we never really knew tamerlan sar-na-ev. it goes on to say that, "our hearts are sickened by the knowledge of the horror he has inflicted." the family has asked for privacy at this time. >> the eleven- year-old martinez boy who was injured in the boston bombings, aaron hern is steadily recovering. this according to administrators at his school, who have been receiving e-mail updates from the hern family. in the last few days, hern underwent surgeries at boston's children's hospital. first lady michelle obama even stopped by to visit aaron on thursday following the interfaith service in boston. and in a story you will only see here on kron four. besides sending hundreds of get well cards. aaron hern's classmates made a video to send him to show their support. friday, the entire student body at martinez junior high school , gathered on the school's quad to record the following. listen in. (cheers & applause) (get well, cha chanting'aaron'...) aaron's classmates say they were excited by the news that his condition has improved